Using Clc1cc(NC2CCCC2)c2[nH]c(C3=N[C@H](CCN4CCNCC4)CS3)cc2c1, O=C(O)CO to produce O=C(CO)N1CCN(CC[C@@H]2CSC(c3cc4cc(Cl)cc(NC5CCCC5)c4[nH]3)=N2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.