Using Clc1ccnc2ccsc12, CC(C)(C)OC(=O)N1CCN(CCn2cnc(I)c2)CC1 to produce CC(C)(C)OC(=O)N1CCN(CCn2cnc(-c3cc4nccc(Cl)c4s3)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.