Using CCCC(C(=O)OC)c1c(C)nc(NCC(C)(C)C)nc1-c1ccc(C)cc1 to produce CCCC(C(=O)O)c1c(C)nc(NCC(C)(C)C)nc1-c1ccc(C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.