Using ClCc1csc(-c2ccccc2)n1, COc1ccc(N2CCCNCC2)c(OC)c1 to produce COc1ccc(N2CCCN(Cc3csc(-c4ccccc4)n3)CC2)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.