Using CN(C)CC1OC(=O)c2ccccc21, O=C1Cc2ccccc2N1 to produce CN(C)CC1OC(=C2C(=O)Nc3ccccc32)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.