Using COCC#Cc1ccc2oc(-c3cc4cccn4cn3)cc(=NOC(C)(C)C)c2c1 to produce COCCCc1ccc2oc(-c3cc4cccn4cn3)cc(=NOC(C)(C)C)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.