Using O=S(=O)(Cl)c1ccccc1, CCOC(=O)c1cc(N)n(-c2ccccc2)n1 to produce CCOC(=O)c1cc(NS(=O)(=O)c2ccccc2)n(-c2ccccc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.