Using CCOC(=O)CCn1c(CC)nc2cc(C(=O)N3CC4(C)CC3CC(C)(C)C4)ccc21 to produce CCc1nc2cc(C(=O)N3CC4(C)CC3CC(C)(C)C4)ccc2n1CCC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.