Using COc1ccc2c(c1)OC(=O)CC2(CCCOCc1ccccc1)c1cn(Cc2ccccc2)cn1 to produce COc1ccc2c(c1)OC(=O)CC2(CCCO)c1c[nH]cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.