Using CCCC[C@H](NC(=O)OC1C(=O)N(C(=O)OCc2ccccc2)CC1(C)C)C(O)C(=O)N[C@H](C)c1ccccc1 to produce CCCC[C@H](NC(=O)OC1C(=O)NCC1(C)C)C(O)C(=O)N[C@H](C)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.