Using CC(=O)OC(C)(C)C, COC(=O)CCCCCCc1ccc2c(n1)NCCC2 to produce CC(C)(C)OC(=O)CC(=O)CCCCCCc1ccc2c(n1)NCCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.