Using COc1ccc(N2CCOCC2)c2sc(-c3nc4c([nH]3)CCN(C(=O)OC(C)(C)C)CC4)nc12 to produce COc1ccc(N2CCOCC2)c2sc(-c3nc4c([nH]3)CCNCC4)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.