Using CCOCc1nc2cnc3cc(OCc4ccccc4)ccc3c2n1CCCCN1CCCS1(=O)=O to produce CCOCc1nc2cnc3cc(O)ccc3c2n1CCCCN1CCCS1(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.