Using Cn1c(CC(=O)[O-])nc(N2CCOCC2)cc1=O, CC1CNc2ccccc21 to produce CC1CN(C(=O)Cc2nc(N3CCOCC3)cc(=O)n2C)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.