Using Cn1cc(Nc2ncc(Cl)c(NC3COC4C3OCC4N3C(=O)c4ccccc4C3=O)n2)cn1 to produce Cn1cc(Nc2ncc(Cl)c(NC3COC4C(N)COC34)n2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.