Using O=C(O)c1nsc(Cc2ccccc2)n1, NCCc1c[nH]c2ccc(Cl)cc12 to produce O=C(NCCc1c[nH]c2ccc(Cl)cc12)c1nsc(Cc2ccccc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.