Using COC(=O)c1oc(C)c(-c2c(-c3ccc(OC)cc3)nn(C)c2C=O)c1C to produce Cc1oc(C(=O)O)c(C)c1-c1c(-c2ccc(O)cc2)nn(C)c1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.