Using O=C(Nc1ccn(C2C(=O)N(OCc3ccccc3)C2COCc2ccccc2)c(=O)n1)c1ccccc1 to produce O=C(Nc1ccn(C2C(=O)N(O)C2CO)c(=O)n1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.