Using O=C(O)C1(c2ccc(Cl)cc2)CCC1, COC(=O)C1CNC1 to produce COC(=O)C1CN(C(=O)C2(c3ccc(Cl)cc3)CCC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.