Using O=C(O)CCn1ccc2ccccc21, CN(C)C1(c2ccccc2)CCC(CN)CC1 to produce CN(C)C1(c2ccccc2)CCC(CNC(=O)CCn2ccc3ccccc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.