Using COc1ccc(Nc2cc3c(c(C(C)C)c2C)OCC3(C)C)cc1, [Li]CCCC to produce COc1ccc(Nc2cc3c(c(C(C)(C)C)c2C)OCC3(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.