Using CN(C)c1ccc(C=O)cc1, O=C1CCc2cc3c(cc21)CCCC3 to produce CN(C)c1ccc(C=C2Cc3cc4c(cc3C2=O)CCCC4)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.