Using CCOC(C)=O, COC(=O)C1(CSc2cccc(C(OC3CCN(C)CC3)c3nc4ccccc4s3)c2)CC1 to produce CN1CCC(OC(c2cccc(SCC3(CCO)CC3)c2)c2nc3ccccc3s2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.