Using CN1CCSc2c(C(=O)O)cc(Cl)cc21, CCCCN1CCCC1CN to produce CCCCN1CCCC1CNC(=O)c1cc(Cl)cc2c1SCCN2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.