Using C[O-], CCCC1CC(=O)N(Cc2cnn3ccc(Cl)nc23)C1 to produce CCCC1CC(=O)N(Cc2cnn3ccc(OC)nc23)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.