Using O=S(=O)(O)O, CCN(CC)CCCNc1nn(CCCN(CC)CC)c2ccccc12 to produce CCN(CC)CCCNc1nn(CCCN(CC)CC)c2ccc(O)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.