Using CC(C)(C)OC(=O)N(Cc1ccc2c(c1)OCCO2)C1CCN(CCn2c(=O)ccc3ccccc32)CC1 to produce O=c1ccc2ccccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.