Using O=C(OCc1ccccc1)[C@@H]1C[C@@H]2CCCC[C@@H]2N1, CCC[C@H](N[C@@H](C)C(=O)O)C(=O)OCC to produce CCC[C@H](N[C@@H](C)C(=O)N1[C@H](C(=O)OCc2ccccc2)C[C@@H]2CCCC[C@@H]21)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.