Using O=[Mn](=O)(=O)[O-], O=C(O)CN1CC(=O)Nc2ccccc21 to produce O=C(O)Cn1c(=O)c(=O)[nH]c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.