Using COc1c(Nc2ccc(CC(=O)O)nc2C)ncnc1OC1CCN(C(=O)OC(C)C)CC1 to produce COc1c(Nc2ccc(CCO)nc2C)ncnc1OC1CCN(C(=O)OC(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.