Using CCCCN1C(=O)C(Nc2ccc3c(c2)CCN(C(=O)OC(C)(C)C)C3)=C(c2ccccc2)S1(=O)=O to produce CCCCN1C(=O)C(Nc2ccc3c(c2)CCNC3)=C(c2ccccc2)S1(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.