Using NCC(=O)N1CCSC1, O=C(O)c1cc2cc(Cl)ccc2[nH]1 to produce O=C(NCC(=O)N1CCSC1)c1cc2cc(Cl)ccc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.