Using COCCCCc1c(C(=O)OC)[nH]c(=O)n1-c1ccccc1, C[O+](C)C to produce COCCCCc1c(C(=O)OC)nc(OC)n1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.