Using O[C@@H]1CN2CCC1CC2, COC(=O)C1(c2ccccc2)CCCCCC1 to produce O=C(O[C@@H]1CN2CCC1CC2)C1(c2ccccc2)CCCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.