Using Cc1csc2ncnc(Cl)c12, COC(=O)c1cccc2c1CC(N)C2 to produce COC(=O)c1cccc2c1CC(Nc1ncnc3scc(C)c13)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.