Using CCOC(=O)c1nc2c(s1)-c1nc(Nc3cccc(S(N)(=O)=O)c3)ncc1CC2 to produce CCOC(=O)c1nc2ccc3cnc(Nc4cccc(S(N)(=O)=O)c4)nc3c2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.