Using Cc1ccc2nc3c(c(=O)n2c1)CCC3, O=Cc1ccccc1 to produce Cc1ccc2nc3c(c(=O)n2c1)CCC3=Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.