Using NC1=Nc2cc(N3CCOCC3)ccc2C2=NCCN12, CC(=O)Nc1ccc(C(=O)O)cn1 to produce CC(=O)Nc1ccc(C(=O)NC2=Nc3cc(N4CCOCC4)ccc3C3=NCCN23)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.