Using O=C=Nc1ccccc1, CC1(C)Oc2ccc(C#N)cc2CC1=O to produce CC1(C)Oc2ccc(C#N)cc2C(C(=O)Nc2ccccc2)=C1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.