Using O=C(c1cnc(Cl)s1)N1CCC1, COC[C@H](C)Oc1cc(O)cc(C(=O)Nc2cnc(C)cn2)c1 to produce COC[C@H](C)Oc1cc(Oc2ncc(C(=O)N3CCC3)s2)cc(C(=O)Nc2cnc(C)cn2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.