Using CCOC(=O)CCn1ccc2c(C(=O)N3CC4(C)CC3CC(C)(C)C4)cccc21 to produce CC1(C)CC2CC(C)(CN2C(=O)c2cccc3c2ccn3CCC(=O)O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.