Using CC(C)(C)OC(=O)N1CC(Oc2ccc(CN3CC4(COC4)C3)cc2)C1 to produce c1cc(OC2CNC2)ccc1CN1CC2(COC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.