Using CCCBr, CC(=O)NC(C)c1cc2cc(CCc3ccc(O)cc3)ccc2o1 to produce CCCOc1ccc(CCc2ccc3oc(C(C)NC(C)=O)cc3c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.