Using O=Cc1c(OCc2ccccc2)ccc2c1ccn2S(=O)(=O)c1ccccc1, CNCCO to produce CN(CCO)Cc1c(O)ccc2c1ccn2S(=O)(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.