Using CC(C)(C)OC(=O)N1CCC(C(=O)Nc2ccc(Oc3ccc4c(c3)CCC(c3ccccc3)O4)nc2)CC1 to produce O=C(Nc1ccc(Oc2ccc3c(c2)CCC(c2ccccc2)O3)nc1)C1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.