Using CCCCC=CNC, C=CC1CC1(NC(=O)C1CC(Oc2cc(OC)nc(OC)n2)CC1C(=O)O)C(=O)OCC to produce C=CCCCCN(C)C(=O)C1CC(Oc2cc(OC)nc(OC)n2)CC1C(=O)NC1(C(=O)OCC)CC1C=C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.