Using O=C(NC(=S)Nc1ccc2c(c1)C(=O)Nc1ccccc1O2)c1ccccc1 to produce NC(=S)Nc1ccc2c(c1)C(=O)Nc1ccccc1O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.