Using O=c1[nH]c(=O)n(C(c2ccccc2)c2ccccc2)cc1-c1ccccc1 to produce O=c1[nH]cc(-c2ccccc2)c(=O)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.