Using Nc1ccc(Cl)cc1N, O=C(O)C1CN(Cc2ccccc2)CCO1 to produce Clc1ccc2[nH]c(C3CN(Cc4ccccc4)CCO3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.