Using COc1ccc(-n2c3ccc(-c4ccc(C)s4)cc3c3cc(-c4ccc(C)s4)ccc32)cc1 to produce Cc1ccc(-c2ccc3c(c2)c2cc(-c4ccc(C)s4)ccc2n3-c2ccc(O)cc2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.