Using CCOC(=O)c1cn(Cc2ccc(-c3ccccc3)cc2)c2ccccc2c1=S, NNc1ccccc1 to produce O=c1c2cn(Cc3ccc(-c4ccccc4)cc3)c3ccccc3c-2nn1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.