Using Oc1cccnc1, CCOC(=O)c1sc2cc(COS(C)(=O)=O)ccc2c1S(=O)c1cccc(OC)c1 to produce CCOC(=O)c1sc2cc(COc3cccnc3)ccc2c1S(=O)c1cccc(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.