Using O=C1c2ccccc2C(=O)N1CCCN1C(=O)C2(COc3cc4c(cc32)CCO4)c2ccccc21 to produce NCCCN1C(=O)C2(COc3cc4c(cc32)CCO4)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.