Using CC(C)(C)OC(=O)N1CCNCC1, O=C1COc2c1ccc(O)c2C(=O)O to produce CC(C)(C)OC(=O)N1CCN(C(=O)c2c(O)ccc3c2OCC3=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.