Using O=C(Cl)c1ccc(Cl)cc1, c1ccc2c(CCN=c3sc4ccccc4s3)c[nH]c2c1 to produce O=C(c1ccc(Cl)cc1)n1cc(CCN=c2sc3ccccc3s2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.