Using CC(=O)OC(C)=O, CCC(CC[n+]1c(C)sc2ccccc21)C(=O)O to produce CCC(CC[n+]1c(C=CC=CNc2ccccc2)sc2ccccc21)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.