Using C=CS(=O)(=O)c1ccccc1, CCOCc1nc2cnc3ccccc3c2n1CC(C)(C)O to produce CCOCc1nc2cnc3ccccc3c2n1CC(C)(C)OCCS(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.