Using C[C@H]1C[C@@]2(NC(=O)OC(C)(C)C)CN(C(=O)OCc3ccccc3)C[C@@H]12 to produce C[C@H]1C[C@@]2(NC(=O)OC(C)(C)C)CNC[C@@H]12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.