Using CCOC(=O)NC1CC2(CCN(c3ccc(CC(C)C)cn3)CC2)C1 to produce CC(C)Cc1ccc(N2CCC3(CC2)CC(N)C3)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.