Using CCOC(=O)C(=O)c1ccc2c(c1)C1(C)CCN(C)C1N2C to produce CN1CCC2(C)c3cc(C(=O)C(=O)O)ccc3N(C)C12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.