Using O=C(NCc1ccccc1)[C@@H]1COCC(=O)N1Cc1ccccc1 to produce c1ccc(CNC[C@@H]2COCCN2Cc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.