Using CNCCOC, NS(=O)(=O)c1ccc(Nc2ncc3cccc(C=O)c3n2)cc1 to produce COCCN(C)Cc1cccc2cnc(Nc3ccc(S(N)(=O)=O)cc3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.