Using CCOC(=O)c1cccc2c1N1CN=C(C)C1=Cc1cncnc1-2 to produce CC1=NCN2C1=Cc1cncnc1-c1cccc(C(=O)O)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.