Using CC(C)(C)OC(=O)N1CCNCC1, O=CCc1ccc2c(c1)COC2=O to produce CC(C)(C)OC(=O)N1CCN(/C=C/c2ccc3c(c2)COC3=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.