Using O=Cc1cncn1Cc1ccccc1, CC(=O)c1ccc(CC(C)C)cc1 to produce CC(C)Cc1ccc(C(=O)C=Cc2cncn2Cc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.