Using COc1nc(Cl)cnc1N(COCC[Si](C)(C)C)S(=O)(=O)c1cccc(Cl)c1Cl, NCCO to produce COc1nc(OCCN)cnc1NS(=O)(=O)c1cccc(Cl)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.