Using CCOC(=O)c1cc2cccc(N(COC)S(=O)(=O)c3cccs3)c2n1COC to produce COCN(c1cccc2cc(C(=O)O)n(COC)c12)S(=O)(=O)c1cccs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.