Using CCN1C[C@@H](C(=O)OC(C)(C)C)N(C(=O)OCc2ccccc2)C1=O to produce CCN1C[C@@H](C(=O)OC(C)(C)C)NC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.