Using COC(=O)CCC(NC(=O)C(C(=O)OC)=C1SC=CS1)C(=O)O, CCCNCCC to produce CCCN(CCC)C(=O)C(CCC(=O)OC)NC(=O)C(C(=O)OC)=C1SC=CS1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.