Using COC(=O)C1(NC(=O)OCC2c3ccccc3-c3ccccc32)CC1, C1CCOC1 to produce O=C(NC1(CO)CCCCC1)OCC1c2ccccc2-c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.